PUBLISHED BY READ ONLINE | SIGN UP The Post Most   With Vance’s rocky debut, Republicans ask if Trump’s VP bet will pay off (Tom Brenner for The Post) Sen. JD Vance has had a challenging start as the GOP’s vice-presidential nominee, leaving the Trump campaign to try to clean up his controversial past comments. By Meryl Kornfield, Josh Dawsey and Ashley Parker Read more   JD Vance’s Catholic conversion is part of young conservative movement  By Michelle Boorstein   Migrants from China ‘walk the line’ to U.S. border, testing Biden and Xi By Cate Cadell, Nick Miroff and Li Qiang   Biden endorses Supreme Court reforms, amendment to limit immunity  By Tyler Pager   Opinion  |  In his own words: Biden’s plan to reform the Supreme Court By Joe Biden   World leaders cast doubt on Maduro’s claim of victory in Venezuelan election By Samantha Schmidt, Leo Sands and Ana Vanessa Herrero   Paris Olympics organizers sorry for Last Supper at Opening Ceremonies By Anika Arora Seth   Europe 101: How to avoid being a clueless American abroad By Sofia Andrade   Alzheimer’s blood test shows 90% accuracy, outperforming other exams By Andrew Jeong   How Kamala Harris took control of the Democratic Party By Michael Scherer and Tyler Pager   ADVERTISEMENT   Trump rally shooter sought info on attempted killing of foreign leader By Devlin Barrett and Perry Stein   Amtrak just took over Union Station. What does it mean for riders? By Danny Nguyen   New contracts might make buying a home more confusing than ever By Aaron Gregg and Julian Mark   Opinion  |  The real history of the Wild West, told through my grandfather’s gun By Katy Roberts   ADVICE Type A parent wants to tell chronically late partner to be on time By Carolyn Hax   ADVERTISEMENT   QUIZ An enthusiastic phone call in today’s On the Record By Amy Parlapiano   BETTER LIVING   Eight times it might be healthier not to forgive (Alina Spatz/The Washington Post) “Sometimes it’s more authentic and empowering to move on without forgiving,” says one psychologist and author. By Susan Shapiro Read more   How to grill steak for the best flavor and texture, no matter the cut By Joan Niesen   ADVICE Does anxiety make your heart race? Try these simple tricks to find calm. By Trisha Pasricha, MD